const fs = require('fs')
const stream = fs.createWriteStream('一首诗.txt')
stream.write('半亩方塘一鉴开\r\n')
stream.write('天光云影共徘徊\r\n')
stream.write('问渠那得清如许\r\n')
stream.write('为有源头活水来\r\n')
stream.close()